3643286

Information

• Patent Grant
• 3643286

• References
• Source

• Patent Number

  3,643,286

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • B60S1/3801 - characterised by a blade support harness consisting of several articulated elements
  • B60S2001/382 - the backing strip being an essentially planar reinforcing strip
  • B60S2001/3841 - Squeegee modifications to prevent longitudinally sliding of squeegee in support structure

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning